package com.zzxkj.blog.controller.admin;

import com.zzxkj.blog.Entity.Type;
import com.zzxkj.blog.service.TypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.validation.Valid;

@Controller
@RequestMapping("/admin")
public class TypeController {
    @Autowired
    private TypeService typeService;
    @GetMapping("/types")
    public String type(@PageableDefault(size = 10 ,sort = {"id"},direction = Sort.Direction.ASC)  Pageable pageable,
                       Model model)
    {
        model.addAttribute("page",typeService.listType(pageable));
        return "admin/types";
    }
    @GetMapping("/types/input")
    public String AddInput(Model model)
    {
        model.addAttribute("type",new Type());/*前端可用type*/
        return "admin/types-input";
    }
    @GetMapping("/types/{id}/input")
    public String editInput(@PathVariable Long id, Model model){
       model.addAttribute("type",typeService.getType(id));
        return "admin/types-input";
    }


    @PostMapping("/types")
    public String post(@Valid Type type, BindingResult result, RedirectAttributes redirectAttributes){
        Type tk = typeService.getTypeByName(type.getName());
        if(tk!=null){
            result.rejectValue("name","nameError",tk.getName()+"分类已存在");
        }

        if(result.hasErrors()){
            return "admin/types-input";
        }
        Type t = typeService.saveType(type);
        if (t==null){
            redirectAttributes.addFlashAttribute("message","新增失败");
        }else {
            redirectAttributes.addFlashAttribute("message","新增成功");
        }
        return "redirect:/admin/types";
    }

    @PostMapping("/types/{id}")
    public String editpost(@Valid Type type, BindingResult result,@PathVariable Long id , RedirectAttributes redirectAttributes){
        Type tk = typeService.getTypeByName(type.getName());
        if(tk!=null){
            result.rejectValue("name","nameError",tk.getName()+"分类已存在");
        }

        if(result.hasErrors()){
            return "admin/types-input";
        }
        Type t = typeService.updateType(id,type);
        if (t==null){
            redirectAttributes.addFlashAttribute("message","更新失败");
        }else {
            redirectAttributes.addFlashAttribute("message","更新成功");
        }
        return "redirect:/admin/types";
    }
    @GetMapping("/types/{id}/delete")
    public  String delete(@PathVariable Long id,RedirectAttributes redirectAttributes){
         typeService.deleteType(id);
         redirectAttributes.addFlashAttribute("message","删除成功");
         return "redirect:/admin/types";
    }


}
